4cade/src/prelaunch/thexder.a

39 lines
743 B
Plaintext
Executable File

;license:MIT
;(c) 2019-2020 by qkumba/Frank M.
!cpu 6502
!to "build/PRELAUNCH.INDEXED/THEXDER",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $83F
jsr $800
lda $13A8
cmp #$4C
bne +
lda #$60
sta $13A8
jsr $1200
+RESET_VECTOR reset
lda #<reset
sta $47FC
lda #>reset
sta $47FD ; moved to LC $FFFC/D
+DISABLE_ACCEL
jmp $1800
reset
+READ_ROM_NO_WRITE
jmp $FAA6
+ inc $3F4 ; force reboot
+DISABLE_ACCEL
jmp $1200
!if * > $1C0 {
!error "code is too large, ends at ", *
}